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Finding the Fourth Proportional to 325,011.84, 487,517.04 and 88,388.88

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Solution

The fourth proportional to 325,011.84, 487,517.04 and 88,388.88 is: 132,583.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,011.84 : 487,517.04 = 88,388.88 : x
  2. Step 2: Convert to fraction form
    325,011.84/487,517.04 = 88,388.88/x
  3. Step 3: Cross multiply
    325,011.84x = 487,517.04 × 88,388.88
  4. Step 4: Simplify right side
    325,011.84x = 43,091,085,146.52
  5. Step 5: Solve for x
    x = 43,091,085,146.52/325,011.84
  6. Step 6: Final answer
    x = 132,583.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.